\documentclass[tikz,border=2mm]{standalone}
\usepackage{array,amsmath,mathptmx,xcolor,bbding,pifont,amssymb}
\usepackage[UTF8]{ctex}
\newcolumntype{C}[1]{>{\centering\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
\usepackage{tikz-cd}
\usepackage{tikz,graphicx,subfig,caption} % Required for drawing custom shapes
\usetikzlibrary{fit,matrix,chains,arrows,shapes,positioning,arrows.meta,chains,shadows,shapes.callouts,decorations.text,shapes.symbols,shapes.misc, positioning,decorations.pathreplacing,calc}
\begin{document}
	\begin{tikzpicture}[>=latex,every node/.style={anchor=south west,,inner sep=0,fill=white}]
		
		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
		\node[drop shadow] at (5em,0) (SYNBL){
			\begin{tabular}{|C{20em}|}
				\hline 
				\color{blue}$\#$ $\lessdot$ a $=$ A $=$ e $\lessdot$ a $=$ A $\gtrdot$ $\#$  \\ 
				\color{blue}$\#$ $\lessdot$ a $=$ A $=$ e $=$ B $\gtrdot$ $\#$
				\\ \hline
			\end{tabular}
		};
		\node(point1) at ([xshift=-2.95em,yshift=-0.72em]SYNBL.north) {\color{blue}{.}};
		\node(point2) at ([xshift=-1.0em,yshift=-0.72em]SYNBL.north) {\color{blue}{.}};
		\node(point3) at ([xshift=2.5em,yshift=-0.72em]SYNBL.north) {\color{blue}{.}};
		\node(point4) at ([xshift=-2.1em,yshift=-1.92em]SYNBL.north) {\color{blue}{.}};
		\node(point5) at ([xshift=-0.1em,yshift=-1.92em]SYNBL.north) {\color{blue}{.}};
		\node(point6) at ([xshift=1.65em,yshift=-1.92em]SYNBL.north) {\color{blue}{.}};
		
	\end{tikzpicture}
\end{document}